3. Script Language > Filesystem-Commands > LFF.

LFF. - Line-From-File

MiniRobotLanguage (MRL)

LFF. Command

Line From File

Intention

This command can be used to read any line from a file. Usage is simple:

' This is the Filename

VAR.$$FIL=?path\start.ini

' This is the Linen-umber of the Line we want read

VAR.$$LIN=5

' The Line will be in the variable $$RES

LFF.$$FIL|$$LIN|$$RES

' We print it in the Editor

DPB.The Line is: $$RES

Syntax

LFF.P1|P2[|P3]

Parameter Explanation

P1 - Filename to count Lines in.

P2 - value of the line which shall be read

P3 - optional variable to return the line from the file.

If omitted the Line is been placed on TOS.

Example

'********************************************

' Demo for LFF and GLC.

'********************************************

'DBM.2

' This should be a valid name of a Text-File

: §§FIL=start.ini

GLC.§§FIL|$$RET

PRT.File: $$FIL contains: $$RET Lines.

FOR.$$AAA|1|20

' Read Lin Nr. $$AAA from File ?path\$$FIL into $$RET

LFF.§§FIL|$$AAA|$$REB

PRT.[$$AAA]->$$REB

NEX.

MBX.!

END.

Remarks

Limitations: